Author
P. Veluchamy
Bio: P. Veluchamy is an academic researcher from Indian Institute of Technology Bombay. The author has contributed to research in topics: Electrosynthesis & Anodizing. The author has an hindex of 4, co-authored 6 publications receiving 116 citations.
Papers
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TL;DR: In this paper, a brief survey of the historical development of photoelectrochemical solar cells is given, and the principle and future of solar chargeable battery is compared with a wet and a dry type photovoltaic cell.
54 citations
TL;DR: In this article, a lead oxide was anodized for various times and at various temperatures in the potential region −1.25 to + 2.35 V (vs. SCE), yielding an approximately 10 μm thick film within 20 min of anodization.
34 citations
19 citations
TL;DR: In this paper, a lead electrode was anodized by potential cycling for various times in the region −0.35 to +0.75 V/SCE (sweep rate, 200 mVs−1 in 0.1 M NaOH + 0.5 M Na2SO4 at 80°C).
16 citations
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TL;DR: In this paper, a novel technique for efficiently extracting the maximum output power from a solar panel under varying meteorological conditions is presented, which is based on connecting a pulsewidth-modulated (PWM) DC/DC SEPIC or Cuk converter between the solar panel and a load or battery bus.
Abstract: A novel technique for efficiently extracting the maximum output power from a solar panel under varying meteorological conditions is presented. The methodology is based on connecting a pulse-width-modulated (PWM) DC/DC SEPIC or Cuk converter between a solar panel and a load or battery bus. The converter operates in discontinuous capacitor voltage mode whilst its input current is continuous. By modulating a small-signal sinusoidal perturbation into the duty cycle of the main switch and comparing the maximum variation in the input voltage and the voltage stress of the main switch, the maximum power point (MPP) of the panel can be located. The nominal duty cycle of the main switch in the converter is adjusted to a value, so that the input resistance of the converter is equal to the equivalent output resistance of the solar panel at the MPP. This approach ensures maximum power transfer under all conditions without using microprocessors for calculation. Detailed mathematical derivations of the MPP tracking technique are included. The tracking capability of the proposed technique has been verified experimentally with a 10-W solar panel at different insolation (incident solar radiation) levels and under large-signal insolation level changes.
234 citations
TL;DR: This review summarizes the recent advancements to date of IECSSs based on different energy sources including solar, mechanical, thermal as well as multiple types of energies, with a special focus on the system configuration and working mechanism.
Abstract: Over the last few decades, there has been increasing interest in the design and construction of integrated energy conversion and storage systems (IECSSs) that can simultaneously capture and store various forms of energies from nature A large number of IECSSs have been developed with different combination of energy conversion technologies such as solar cells, mechanical generators and thermoelectric generators and energy storage devices such as rechargeable batteries and supercapacitors This review summarizes the recent advancements to date of IECSSs based on different energy sources including solar, mechanical, thermal as well as multiple types of energies, with a special focus on the system configuration and working mechanism With the rapid development of new energy conversion and storage technologies, innovative high performance IECSSs are of high expectation to be realised for diverse practical applications in the near future
148 citations
TL;DR: In this article, the state-of-the-art research of photo-rechargeable batteries based on organic solar cells, as well as storage modules, is reviewed, where high efficiencies can be achieved by the combination of dye-sensitized solar cells (DSSC) and capacitors.
Abstract: The global energy demand is increasing at the same time as fossil fuel resources are dwindling. Consequently, the search for alternative energy sources is a major topic worldwide. Solar energy is one of the most promising, effective and emission-free energy sources. However, the energy has to be stored to compensate the fluctuating availability of the sun and the actual energy demand. Photo-rechargeable electric energy storage systems may solve this problem by immediately storing the generated electricity. Different combinations of solar cells and storage devices are possible. High efficiencies can be achieved by the combination of dye-sensitized solar cells (DSSC) and capacitors. However, other hybrid devices including DSSCs or organic photovoltaic systems and redox flow batteries, lithium ion batteries and metal air batteries are playing an increasing role in this research field. This Progress Report reviews the state of the art research of photo-rechargeable batteries based on organic solar cells, as well as storage modules.
138 citations
TL;DR: In this paper, thin films of p-SnS were cathodically electrodeposited on tin oxide conducting glass substrates from aqueous solution containing SnCl2 and Na2S2O3.
109 citations
TL;DR: In this paper, a detailed account of the electrochemistry involved in the deposition of Sn, Se and SnSe films is presented, where the redox reactions and the polarization curves of Sn and Se were studied to fix the pH and potential values V (NHE) to get uniform deposition.
96 citations